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for me they are heavier too. you are connecting the wrong things. i dont like the balls because they are hard and heavy, not because they transmit shock to my arm. it has nothing to do with that. i just dont like the feel of the bounce

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The hardness of the Dunlop ball is exactly what that shock (& vibration) transmitted the arm is. What other explanation would you have for your ability to feel the hardness/stiffness of the ball?

As for heaviness (static weight), the balls are within ITF specs (which are fairly narrow as I indicated previously). If the balls really are heavier, on average, that other balls that you use, the difference is, no doubt, extremely slight. It is doubtful that you would even be able to detect the difference with most commercial scales (like a food scale or a postal scale). A ball may give the illusion that it is heavier (weights more) because of its stiffness &, perhaps, due to it's dwell time on the stringbed.
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i guess its tough to explain. when you bounce a basketball, you dont complain of vibrations/ shock. when was the last time any NBA pro or any casual basketball baller said "oh god the way the ball bounces its giving me shock and vibrations" so again, go bounce different kinds of tennis balls. try it.

i guess its tough to explain. when you bounce a basketball, you dont complain of vibrations/ shock. when was the last time any NBA pro or any casual basketball baller said "oh god the way the ball bounces its giving me shock and vibrations" so again, go bounce different kinds of tennis balls. try it.

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It appears that I have not been clear enough with what I've been trying to say. ALL ball impacts with the racket/strings will transmit some measure of shock and vibrations to the hand and arm holding the racket. Even when we hit foam balls or the softest Penn balls with the most arm-friendly racket available on the market, there will be some shock & vibrations transmitted to the hand/arm -- this is what we are feeling. When we say that Dunlop balls feel harder than Penn balls, it is because they affect the strings and racket in such a way that a bit more shock/vibrations are produced that reach your arm.

When you bounce your basketball you also feel shock/vibrations transmitted to your hand/arm. However, they are not usually great enough to really bother you. It is only when the shock intensity or magnitude that reaches our arm is large enough that problems arise.

If the intensity is high enough, the shock can eventually result in wrist, elbow or shoulder problems. In your case, the shock/vibrations from hitting Dunlop balls is enough to bother you a bit but not enough to cause any real pain or damage.

The bottom line: Just because an impact doesn't result in pain or damage does not mean that no shock or vibrations are produced (and reach your arm).

Wow, I had no idea that balls meant so much. I guess I just never really paid attention. i buy regular old penn championships at costco b/c its $30 a case, never really knowing that they were crappy balls. I have a couple of cans of pro penn marathons and i like those a lot, but only b/c they last longer. but i didn't know that better balls actually bounced differently, or could be imparted with more or less spin.

^ The Penn Champs are not really crappy balls. It's just that there are better balls available on the market -- for a price. If you get ball that last a lot longer than the Penn Champs, it could be much cheaper in the long run. It would be great if Prince Tour balls became available again since their longevity is unmatched -- and they are superior balls in other respects as well.
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It appears that I have not been clear enough with what I've been trying to say. ALL ball impacts with the racket/strings will transmit some measure of shock and vibrations to the hand and arm holding the racket. Even when we hit foam balls or the softest Penn balls with the most arm-friendly racket available on the market, there will be some shock & vibrations transmitted to the hand/arm -- this is what we are feeling. When we say that Dunlop balls feel harder than Penn balls, it is because they affect the strings and racket in such a way that a bit more shock/vibrations are produced that reach your arm.

When you bounce your basketball you also feel shock/vibrations transmitted to your hand/arm. However, they are not usually great enough to really bother you. It is only when the shock intensity or magnitude that reaches our arm is large enough that problems arise.

If the intensity is high enough, the shock can eventually result in wrist, elbow or shoulder problems. In your case, the shock/vibrations from hitting Dunlop balls is enough to bother you a bit but not enough to cause any real pain or damage.

The bottom line: Just because an impact doesn't result in pain or damage does not mean that no shock or vibrations are produced (and reach your arm).

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lol you are nuts man. how are you going to tell me what bothers me or not. only i can feel what i feel. hitting dunlop balls doesnt bother me a bit. i just dont like the way they feel so i choose not too play with them. its not because of this shock thing you keep trying to drill into me. but at this point i dont think you will get it, so nevermind. believe whatever you want

lol you are nuts man. how are you going to tell me what bothers me or not. only i can feel what i feel. hitting dunlop balls doesnt bother me a bit. i just dont like the way they feel so i choose not too play with them. its not because of this shock thing you keep trying to drill into me. but at this point i dont think you will get it, so nevermind. believe whatever you want

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Seriously, are you just messing with me? I have tried my best to be as helpful, informative, patient and diplomatic as possible on this matter but it appears that you are either playing games with me or something else is going on? Are you adverse to learning something new?

Are you still in high school? Is English your primary language? It seems that you are misunderstanding quite a few things that I am saying or you are just taking it the wrong way. What I meant by "bothering you a bit" is just another way of saying that you don't like the those balls because you don't like the way they feel.

Sorry to be so blunt but I just cannot figure out why you are not grasping these concepts. Try asking someone else who is older, has more knowledge of science or has a better grasp of the language and see if they don't agree that what I've been saying doesn't make perfect sense to them.

If you are just yanking my chain, I don't appreciate it since I've spent a considerable amount of time/effort trying get these ideas across to you.
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Yesterday, played a couple doubles sets with new DunlopHDHardCourtChamps. My first flat serve bounces around belt high, air temps 60, no wind.
Today, one set old ProPenns, air temp closer to 55 with rain likely, first flat bounces easy mid chest at the backboard, seen often when my flats up the middle landed on the partner's court.
If I had Wilson's, the bounce would be higher.

Seriously, are you just messing with me? I have tried my best to be as helpful, informative, patient and diplomatic as possible on this matter but it appears that you are either playing games with me or something else is going on? Are you adverse to learning something new?

Are you still in high school? Is English your primary language? It seems that you are misunderstanding quite a few things that I am saying or you are just taking it the wrong way. What I meant by "bothering you a bit" is just another way of saying that you don't like the those balls because you don't like the way they feel.

Sorry to be so blunt but I just cannot figure out why you are not grasping these concepts. Try asking someone else who is older, has more knowledge of science or has a better grasp of the language and see if they don't agree that what I've been saying doesn't make perfect sense to them.

If you are just yanking my chain, I don't appreciate it since I've spent a considerable amount of time/effort trying get these ideas across to you.
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yea. i thnk you are messing with me. telling me how i feel about the way i feel about something? that was when i realized its not worth it. again, nevermind. believe whatever you want

I am down the very last of my USA-made Pro Penns. Anyone have industry info on who supplies Prince Tour balls? I know Prince sources many ancillary products from Japan and am taking a flyer, hoping that their Tour ball are the same/similar to Yonex Tour balls. TIA.

yea. i thnk you are messing with me. telling me how i feel about the way i feel about something? that was when i realized its not worth it. again, nevermind. believe whatever you want

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Wow! You are really off the mark here. I was not telling how you feel..,

You are completely misinterpreting my ideas and my intent. From your over-reaction to my use of the word "bother", it appears that you clearly do not understand my use of the word. It was not meant as an attack or an affront to you. It was simply just another way of saying that you do not like the (hard) feel of Dunlop balls. I was serious when I wondered if English is your mother tongue because of the way you reacted to this word as well as your reaction/reply when I mentioned shock and vibrations. You appeared to took that as completely negative as well.

Not sure why you took offense. I was NOT telling you how you feel -- you had already told ME that. I was trying to inform you about the physical characteristics of the interaction with the (harder) ball that accounted for your dislike of the ball. I completely agree that Dunlop balls feel harder/stiffer than other brands. I was simply pointing out the underlying reason for this shared perception.
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I am down the very last of my USA-made Pro Penns. Anyone have industry info on who supplies Prince Tour balls? I know Prince sources many ancillary products from Japan and am taking a flyer, hoping that their Tour ball are the same/similar to Yonex Tour balls. TIA.

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The Prince Tour ball was the best clay court ball a few years ago. Their QC started going down and some balls would randomly fuzz up like crazy. The bounce of these balls was excellent if you hit with a lot of spin.

I am down the very last of my USA-made Pro Penns. Anyone have industry info on who supplies Prince Tour balls? I know Prince sources many ancillary products from Japan and am taking a flyer, hoping that their Tour ball are the same/similar to Yonex Tour balls. TIA.

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It's going on 4 years since Head/Penn closed down their ball manufacturing plant in Arizona in early 2009. Are those old Pro Penn balls still any good? I would also be interested in hearing any info on Prince Tour balls. It appears that the only Prince balls that have been available for a while now are their training balls.

It's going on 4 years since Head/Penn closed down their ball manufacturing plant in Arizona in early 2009. Are those old Pro Penn balls still any good? I would also be interested in hearing any info on Prince Tour balls. It appears that the only Prince balls that have been available for a while now are their training balls.

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Still good -- amazingly, not one bad tube. I stocked up and carefully stored them as soon as they closed up shop here, now I am down to the last two tubes.

I've seen the Prince Tour Extra Duty available through distributors other than TW. Prices are similar to Penn Marathon, which I guess I will have to try sooner or later. I played the Yonex Tours in Japan and really like them -- they do not appear to be distributed in the USA and shipping from the UK or Japan is prohibitively expensive.

I personally love the Pro Penn Marathon Extra Duty balls. My high school uses them, and they generally retain their bounce for several months. Almost every other ball we've used usually dies within the month we get them.
For me, they also aren't too heavy or light, so hitting with them feels fine

I also liked using the can of Slazenger balls I bought. Only problem I had with them is the logo of the ball wears off, which kind of bothers me at times

^ Never seen any Volkl balls in my neck of the woods. Which Dunlops are you referring to? You must qualify your statement. There are also a number of other models than the 3 listed in the poll. You cannot dismiss the highly-regarded Grand Prix balls just cuz you don't like the A-Player, Championship or one of the other Dunlop models.

Wow! You are really off the mark here. I was not telling how you feel..,

You are completely misinterpreting my ideas and my intent. From your over-reaction to my use of the word "bother", it appears that you clearly do not understand my use of the word. It was not meant as an attack or an affront to you. It was simply just another way of saying that you do not like the (hard) feel of Dunlop balls. I was serious when I wondered if English is your mother tongue because of the way you reacted to this word as well as your reaction/reply when I mentioned shock and vibrations. You appeared to took that as completely negative as well.

Not sure why you took offense. I was NOT telling you how you feel -- you had already told ME that. I was trying to inform you about the physical characteristics of the interaction with the (harder) ball that accounted for your dislike of the ball. I completely agree that Dunlop balls feel harder/stiffer than other brands. I was simply pointing out the underlying reason for this shared perception.

If you are satisfied with, "I don't like it just because I don't like it" then I guess I've been wasting my time trying to give some insight into the physical phenomenon that accounts for our perceptions of ball/string interactions. Let me warn you tho' -- you will not get far when writing college papers or when submitting reports for future jobs if you say, "it's that way, just because". You really need to figure out the WHY and how to express that WHY to others.

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lol. well you took the time to go back and edit posts just for me. funny. and now you are saying stuff about warning me about writing papers and jobs? thanks mom! LOL you crack me up.

lol. well you took the time to go back and edit posts just for me. funny. and now you are saying stuff about warning me about writing papers and jobs? thanks mom! LOL you crack me up.

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I took the time to edit the posts so I would not offend you since you seemed to be taking several things that I had to say the wrong way. The refusal to even consider a very logical, scientific explanation puzzles me. A very vague, "I just don't like it" is what amazes me. "nuff said.

I took the time to edit the posts so I would not offend you since you seemed to be taking several things that I had to say the wrong way. The refusal to even consider a very logical, scientific explanation puzzles me. A very vague, "I just don't like it" is what amazes me. "nuff said.

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lol yea. that was good. you edited out other stuff too. but its cool man. no hard feelings. just a stupid debate. i dont like the way balls feel, you are going off on some tangent to prove soemthing, its all non sense. you play with what you like, and i will play with what i like. everyone wins

^ Hardly what I would call a debate at all. What is it that you thought we were "debating"? My first query to you was an attempt to get some concrete or explicit (rather than vague) feedback on why you did not like Dunlop balls. It turned out that we agreed that Dunlop balls, in general, feel harder than other balls. This is a perfectly valid gripe or assessment. (For me, that hardness is offset by other, more positive qualities of GP balls).

My next intent was not really to say why you felt that this hardness is not to your liking. My primary intent was to explain the (scientific) reason why one ball feels harder than another -- it is not nonsense at all. However, it seems to me that you were not focusing on that explanation but, rather, on certain words that I was using, like "shock" and "bother". Those were the tangents that I saw in this discussion.
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^ Hardly what I would call a debate at all. What is it that you thought we were "debating"? My first query to you was an attempt to get some concrete or explicit (rather than vague) feedback on why you did not like Dunlop balls. It turned out that we agreed that Dunlop balls, in general, feel harder than other balls. This is a perfectly valid gripe or assessment. (For me, that hardness is offset by other, more positive qualities of GP balls).

My next intent was not really to say why you felt that this hardness is not to your liking. My primary intent was to explain the (scientific) reason why one ball feels harder than another -- it is not nonsense at all. However, it seems to me that you were not focusing on that explanation but, rather, on certain words that I was using, like "shock" and "bother". Those were the tangents that I saw in this discussion.
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lol and yet here you are taking my words such as 'debate' so seriously as well. dude, let it go man. i dont even care. why do you care so much? go out and hit some

Dunlop Championships hands down. I feel they're alittle too live sometimes but after 10 mins they settle in. Slaz. are a beautiful ball to hit with. I wish they made a hardcourt version with more felt but they are fantastic. Penn's are god awful But I hear the atp is nice which I'd like to try. Im not exactly fond of wilson championships (non us) they seem to lack liveliness.

Penns, and especially Wilsons, are fantasy balls.
They bounce stomach high on my first serves. They bounce higher on my second serves....at the backboard.
Dunlops barely get to thigh high on firsts, and sometimes don't make the backboard after it's initial bounce in the service court. That is a reality ball.
I can almost sustain a rally with Dunlops.
Wilson and Penns, it's one ball winner or loser.
I play on cement courts painted, air temps around 55-60.